Established in 1975, Class Technology Co., Ltd. is specialized in manufacturing: - LED multifunction emergency light- PIR sensors- RF remote controls- Off-delay switches- IR infrared remote control for lighting & - Smart door safety stripWe have a strong R&D force and are capable of designing based on customers' requirements. Our company has procured many patents on our designs and products and won government subsidies for R&D.CE/UL/C-tick/PSE/GS/RoHS certifiedQuality guaranteed!